[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Gil Forcada Codinachs]

Gil Forcada Codinachs  added the comment:

pickletools documentation is here:

https://docs.python.org/3/library/pickletools.html#module-pickletools

Sources are here:

https://github.com/python/cpython/blob/master/Doc/library/pickletools.rst

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Windson Yang]

Windson Yang  added the comment:

Where are the documents actually?

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


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versions: +Python 3.6, Python 3.7 -Python 3.4

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Serhiy Storchaka]

Changes by Serhiy Storchaka storch...@gmail.com:


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assignee:  - docs@python
nosy: +docs@python -serhiy.storchaka
versions: +Python 3.4, Python 3.5 -Python 3.2

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Alexander Belopolsky]

Changes by Alexander Belopolsky alexander.belopol...@gmail.com:


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assignee: belopolsky - 

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

See also issue16550.

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Alexander Belopolsky]

Alexander Belopolsky belopol...@users.sourceforge.net added the comment:

Just a reminder to myself based on Mark's suggestion on IRC.  In TUPLEN 
opcode documentation two-tuple and three-tuple are redundant in summary line.  
Can be replaced with just tuple without loss of clarity.  See r82915.

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Alexander Belopolsky]

Alexander Belopolsky belopol...@users.sourceforge.net added the comment:

From IRC:

Sasha: What's the current status of pickling float inf, nan, -0.0, etc.?

Mark: In py3k and release27-maint, there shouldn't be any issues with any of 
those. Same with release31-maint.  In release26-maint, pickling infinities and 
nans on windows using protocol 0 is problematic.

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Alexander Belopolsky]

Changes by Alexander Belopolsky belopol...@users.sourceforge.net:


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dependencies: +cPickle can misread data type

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Alexander Belopolsky]

New submission from Alexander Belopolsky belopol...@users.sourceforge.net:

Pickle opcode documentation in pickletools still refers to old/new style 
classes and changes made in 2.x series.  Opcodes such as INT, INST, and OBJ 
that are no longer produced by 3.x pickling code should be described as such 
and discussion added on how 2.x features that are removed in 3.x are emulated 
when 2.x pickles are loaded in 3.x.

See also issue5180.

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assignee: belopolsky
components: Documentation
keywords: easy
messages: 110384
nosy: belopolsky
priority: normal
severity: normal
stage: needs patch
status: open
title: Update pickle opcode documentation in pickletools for 3.x
type: feature request
versions: Python 3.2

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[issue9267] Update pickle opcode documentation in pickletools for 3.x

[Alexander Belopolsky]

Changes by Alexander Belopolsky belopol...@users.sourceforge.net:


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dependencies: +3.1 cannot unpickle 2.7-created pickle
nosy: +alexandre.vassalotti, lemburg, mark.dickinson, pitrou

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